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# Copyright (C) 2017 Intel Corporation
# Released under the MIT license (see COPYING.MIT)
import multiprocessing
from unittest.suite import TestSuite
from oeqa.core.loader import OETestLoader
class OETestLoaderThreaded(OETestLoader):
def __init__(self, tc, module_paths, modules, tests, modules_required,
filters, process_num=0, *args, **kwargs):
super(OETestLoaderThreaded, self).__init__(tc, module_paths, modules,
tests, modules_required, filters, *args, **kwargs)
self.process_num = process_num
def discover(self):
suite = super(OETestLoaderThreaded, self).discover()
if self.process_num <= 0:
self.process_num = min(multiprocessing.cpu_count(),
len(suite._tests))
suites = []
for _ in range(self.process_num):
suites.append(self.suiteClass())
def _search_for_module_idx(suites, case):
"""
Cases in the same module needs to be run
in the same thread because PyUnit keeps track
of setUp{Module, Class,} and tearDown{Module, Class,}.
"""
for idx in range(self.process_num):
suite = suites[idx]
for c in suite._tests:
if case.__module__ == c.__module__:
return idx
return -1
def _search_for_depend_idx(suites, depends):
"""
Dependency cases needs to be run in the same
thread, because OEQA framework look at the state
of dependant test to figure out if skip or not.
"""
for idx in range(self.process_num):
suite = suites[idx]
for case in suite._tests:
if case.id() in depends:
return idx
return -1
def _get_best_idx(suites):
sizes = [len(suite._tests) for suite in suites]
return sizes.index(min(sizes))
def _fill_suites(suite):
idx = -1
for case in suite:
if isinstance(case, TestSuite):
_fill_suites(case)
else:
idx = _search_for_module_idx(suites, case)
depends = {}
if 'depends' in self.tc._registry:
depends = self.tc._registry['depends']
if idx == -1 and case.id() in depends:
case_depends = depends[case.id()]
idx = _search_for_depend_idx(suites, case_depends)
if idx == -1:
idx = _get_best_idx(suites)
suites[idx].addTest(case)
_fill_suites(suite)
suites_tmp = suites
suites = []
for suite in suites_tmp:
if len(suite._tests) > 0:
suites.append(suite)
return suites
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